Grumman/Butkus Associates

Grumman/Butkus Associates (G/BA) is a professional consulting firm of design engineers and energy consultants. The firm provides mechanical and electrical engineering services primarily to commercial, educational, healthcare, hospitality, industrial, laboratory, pharmaceutical and telecommunication clients.

G/BA has been nationally recognized for its work, having received Energy Innovation Awards from the United States Department of Energy; Technology Awards from the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. (ASHRAE); and an M/E Engineering Achievement Award from Specifying Engineer magazine.

G/BA has offices in Evanston, Illinois, Wauwatosa and Madison, Wisconsin, The Villages, Florida, and New York, New York.